Scientists use stem cells to develop muscle patches for unhealthy hearts / Chinese scientists create mice with 2 fathers using stem cell engineering / Bioreactor allows automated long-term culturing of stem cells / A sliver of lab-grown wood has been made from stem cells / Lab-grown stem cells could be a 'breakthrough' for cancer treatment / New technique enables successful cultivation of stem cells on the surface of ionic liquids / Lifelike lab-grown skin developed from human stem cells / This Swedish startup wants to reduce the cost, and controversy, around stem cells production / Stem cells grown in labs for experimental therapies pose a cancer risk / Researchers discover crucial step in creating blood stem cells